vacillate
C1CEFR level
65/100Rarity: rare
FormalRegister
General verb
To waver indecisively between different opinions or courses of action.
He vacillated for weeks, unable to decide whether to accept the post.
Business verb
To waver indecisively between positions during a negotiation.
The seller vacillated on price for a fortnight, and the buyer used the delay to line up an alternative.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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